/* ============================== Tokens ============================== */
:root {
  --bg: #f4f4f1;
  --surface: #ffffff;
  --surface-2: #faf9f6;
  --border: #e3e1da;
  --border-strong: #c9c5b8;
  --text: #1c1b18;
  --text-dim: #6b6960;
  --text-mute: #8d8a7e;
  --accent: #1c1b18;
  --accent-fg: #faf9f6;
  --success: #2f7d32;
  --success-bg: #e8f3e8;
  --warn: #b67800;
  --warn-bg: #fdf2dc;
  --err: #b3261e;
  --err-bg: #fce8e6;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 1px rgba(0,0,0,.03);
  --shadow: 0 4px 14px rgba(0,0,0,.06);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

/* ============================== Topbar ============================== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--accent); color: var(--accent-fg);
  border-radius: 50%; font-size: 14px;
}
.brand-name { font-size: 16px; letter-spacing: -0.01em; }
.topbar-right { color: var(--text-dim); font-size: 13px; }
.link-btn {
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; padding: 4px 8px; font: inherit;
}
.link-btn:hover { color: var(--text); text-decoration: underline; }

/* ============================== Layout ============================== */
.grid {
  max-width: 1080px;
  margin: 24px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
  box-shadow: var(--shadow-sm);
}
.card h2 {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 8px;
}
.icon { font-size: 17px; }
.hint {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-mute); margin-bottom: 12px;
}

/* ============================== Dropzone ============================== */
.dropzone {
  position: relative;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  padding: 36px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .05s;
}
.dropzone:hover { border-color: #9a9582; }
.dropzone.drag {
  border-color: var(--accent);
  background: #efece4;
  transform: scale(1.005);
}
.dropzone-icon { font-size: 28px; color: var(--text-dim); }
.dropzone-title { margin-top: 6px; font-weight: 500; }
.dropzone-sub { margin-top: 4px; font-size: 12px; color: var(--text-mute); }

/* ============================== Job list ============================== */
.job-list { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.job {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: var(--surface);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
}
.job-name { font-weight: 500; word-break: break-all; font-size: 14px; }
.job-status {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-dim);
  white-space: nowrap;
}
.job-status.uploading { background: #e7f0fb; color: #1a4f8f; }
.job-status.transcoding { background: var(--warn-bg); color: var(--warn); }
.job-status.done { background: var(--success-bg); color: var(--success); }
.job-status.error { background: var(--err-bg); color: var(--err); }
.job-bar-wrap {
  grid-column: 1 / -1;
  height: 6px;
  background: #ece9df;
  border-radius: 999px;
  overflow: hidden;
}
.job-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width .15s ease-out;
}
.job-bar.indeterminate {
  width: 35%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: slide 1.4s infinite ease-in-out;
}
@keyframes slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(285%); }
}
.job-detail {
  grid-column: 1 / -1;
  font-size: 12px;
  color: var(--text-mute);
  word-break: break-word;
}
.job-detail.err { color: var(--err); }

/* ============================== How it works ============================== */
.how {
  margin-top: 18px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-dim);
}
.how summary { cursor: pointer; font-weight: 500; color: var(--text); }
.how ol { margin: 10px 0 4px; padding-left: 22px; }
.how li { margin-bottom: 4px; }

/* ============================== Feed panel ============================== */
.feed-row { margin-bottom: 14px; }
.feed-label {
  display: block;
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-mute); margin-bottom: 6px;
}
.feed-input { display: flex; gap: 8px; }
.feed-input input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface-2);
  color: var(--text);
  min-width: 0;
}
.primary-btn {
  background: var(--accent); color: var(--accent-fg);
  border: 1px solid var(--accent);
  padding: 9px 16px; border-radius: var(--radius-sm);
  font: inherit; font-weight: 500; cursor: pointer;
  transition: opacity .15s;
}
.primary-btn:hover { opacity: 0.88; }
.primary-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.ghost-btn {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 16px; border-radius: var(--radius-sm);
  font: inherit; cursor: pointer;
}
.ghost-btn:hover { background: var(--surface-2); }

.cta-row { display: flex; gap: 8px; margin-bottom: 18px; }
.cta-btn {
  flex: 1;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-fg);
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
}
.cta-btn:hover { opacity: 0.9; }

.ep-header {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-mute);
  margin: 4px 2px 8px;
}
.ep-count {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
  font-weight: 600;
  color: var(--text);
}

.episodes { display: flex; flex-direction: column; gap: 6px; max-height: 420px; overflow-y: auto; }
.episode {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.episode:hover { background: var(--surface-2); }
.ep-title { font-size: 14px; font-weight: 500; word-break: break-word; }
.ep-meta { font-size: 12px; color: var(--text-mute); grid-column: 1; }
.ep-del {
  background: none; border: none; color: var(--text-mute);
  cursor: pointer; padding: 4px 8px; border-radius: 6px;
  font-size: 13px;
}
.ep-del:hover { background: var(--err-bg); color: var(--err); }
.empty {
  padding: 24px 12px; text-align: center; color: var(--text-mute);
  background: var(--surface-2); border-radius: var(--radius-sm);
}

/* ============================== Modal ============================== */
.modal {
  position: fixed; inset: 0;
  background: rgba(28, 27, 24, 0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.modal.hidden { display: none; }
.modal-box {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  width: min(420px, calc(100% - 32px));
  box-shadow: var(--shadow);
}
.modal-box h3 { margin: 0 0 8px; font-size: 17px; }
.modal-box p { margin: 0 0 14px; color: var(--text-dim); font-size: 14px; }
.modal-box code {
  font-family: var(--mono); background: var(--surface-2);
  padding: 1px 5px; border-radius: 4px; font-size: 12px;
}
.modal-box input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font: inherit;
  background: var(--surface-2);
}
.modal-box input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.modal-actions { display: flex; justify-content: flex-end; margin-top: 14px; }
.err { color: var(--err); font-size: 13px; margin-top: 10px; }
.hidden { display: none; }